MM

Masahiko Mizutani

HI Hitachi: 5 patents #90 of 2,733Top 4%
Overall (2011): #15,957 of 364,097Top 5%
5
Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8027258 Communication system and communication apparatus Yusuke Yajima, Takayuki Kanno, Takeshi Yasuda 2011-09-27
8027586 Passive optical network system and optical line terminating apparatus Hiroki Ikeda, Toshiki Sugawara, Shinobu Gohara 2011-09-27
7962037 PON system and optical network unit Takeshi Shibata, Tohru Kazawa, Yoshihiro Ashi, Masanobu Kobayashi, Masayuki Takase 2011-06-14
7936991 Optical line terminating apparatus and optical communication system Toshiki Sugawara, Hiroki Ikeda, Kenichi Sakamoto 2011-05-03
7908390 Packet forwarding apparatus using token bucket algorithm and leaky bucket algorithm Masayuki Takase, Yoshihiro Ashi, Tohru Kazawa, Kenichi Sakamoto, Taishi Shinagawa 2011-03-15